What steps can be taken to debug and analyze PHP code for memory efficiency and performance improvements?

To debug and analyze PHP code for memory efficiency and performance improvements, you can use tools like Xdebug to profile your code and identify bottlenecks. You can also optimize your code by minimizing the use of global variables, avoiding unnecessary loops or recursion, and using built-in PHP functions efficiently. 

// Example code snippet for optimizing PHP code by minimizing the use of global variables
function calculate_sum($numbers) {
    $sum = 0;
    
    foreach ($numbers as $number) {
        $sum += $number;
    }
    
    return $sum;
}

$numbers = [1, 2, 3, 4, 5];
$result = calculate_sum($numbers);
echo $result;

Keywords

memory efficiency performance improvements PHP code analysis debugging techniques optimization strategies

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